挖掘矿石！它就是这么简单。
Tap the ore! It is just that simple.
Start with your own copper mine. Collect copper ores until you have enough money to buy a new mine.
Tap your way through 9 different mines. Collect all 9 ores.
挖掘矿石！它就是这么简单。
Tap the ore! It is just that simple.
Start with your own copper mine. Collect copper ores until you have enough money to buy a new mine.
Tap your way through 9 different mines. Collect all 9 ores.